<!DOCTYPE HTML>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
</head>

<body >

    <h1>用户详细</h1>

    <span th:text="${auth.principal.username}"></span>
</body>

</html>
